High Efficient 9450 9.4 x 5 Replacement Propeller CW CCW Props Self-lock Self-Tightening for DJI Phantom 2 Vision plus 2 Pair 4PCS(White) 9450 9.4 x 5 Replacement Propeller CW CCW Props Self-lock Self-Tightening for DJI Phantom 2 Vision plus 2 Pair 4PCS(White)